/*
 * Copyright (c) 2021, Peter Abeles. All Rights Reserved.
 *
 * This file is part of BoofCV (http://boofcv.org).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package boofcv.demonstrations.reconstruction;

import javax.swing.*;
import java.awt.*;

/**
 * JPanel with support for {@link Scrollable} interface.
 *
 * @author Peter Abeles
 */
public class ScrollableJPanel extends JPanel implements Scrollable {
	public ScrollableJPanel( LayoutManager layout ) {
		super(layout);
	}

	@Override public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
		return ((orientation == SwingConstants.VERTICAL) ? visibleRect.height : visibleRect.width) - 10;
	}

	@Override public Dimension getPreferredScrollableViewportSize() { return getPreferredSize(); }
	@Override public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) { return 10;}
	@Override public boolean getScrollableTracksViewportWidth() { return true; }
	@Override public boolean getScrollableTracksViewportHeight() { return false; }
}
